Q. What would happen if the Earth and all terrestrial objects suddenly stopped spinning, but the atmosphere retained its velocity?<ul><li>Nearly everyone would die.</li><li>At the equator, the Earth’s surface is moving at about 470 meters per second—relative to its axis. If the Earth stopped and the air didn’t, the result would be a sudden thousand-mile-per-hour wind.</li><li>Day and night would each be six months long.</li></ul>

Global Windstorm


Q. What would happen if you tried to hit a baseball pitched at 90 percent the speed of light?<ul><li>It would, however, start to eat away at the surface, blasting tiny fragments of the ball in all directions. These fragments would be going so fast that when they hit air molecules, they would trigger two or three more rounds of fusion.And with a great roar, the blast wave would arrive, tearing up trees and shredding houses.</li></ul>

Relativistic Baseball

Q. What if I took a swim in a typical spent nuclear fuel pool? Would I need to dive to actually experience a fatal amount of radiation? How long could I stay safely at the surface?<ul><li>You could probably survive treading water anywhere from 10 to 40 hours.</li><li>Spent fuel from nuclear reactors is highly radioactive. Water is good for both radiation shielding and cooling, so fuel is stored at the bottom of pools for a couple of decades until it’s inert enough to be moved into dry casks.</li></ul>

Spent Fuel Pool


Q. What would happen if everyone on Earth stood as close to each other as they could and jumped, everyone landing on the ground at the same instant?<ul><li>It doesn’t really affect the planet. Earth outweighs us by a factor of over ten trillion. On average, we humans can vertically jump maybe half a meter on a good day. Even if the Earth were rigid and responded instantly, it would be pushed down by less than an atom’s width.</li></ul>

Everybody Jump


Q. Is it possible to build a jetpack using downward-firing machine guns?<ul><li>The principle here is pretty simple. If you fire a bullet forward, the recoil pushes you back. So if you fire downward, the recoil should push you up.</li><li>With enough machine guns, you could fly.</li></ul>

Machine-Gun Jetpack

Q. If you suddenly began rising steadily at 1 foot per second, how exactly would you die? Would you freeze or suffocate first? Or something else?<ul><li>Above 8000 meters—above the tops of all but the highest mountains—the oxygen content in the air is too low to support human life. Near this zone, you would experience a range of symptoms, possibly including confusion, dizziness, clumsiness, impaired vision, and nausea.</li><li>The result would be a rapid loss of consciousness and death.</li></ul>

Rising Steadily

Q. How much physical space does the Internet take up?<ul><li>The storage industry produces in the neighborhood of 650 million hard drives per year. If most of them are 3.5-inch drives, that’s 8 liters (2 gallons) of hard drive per second.</li><li>This means the last few years of hard-drive production represents the majority of global storage capacity—would just about fill an oil tanker.</li><li>So, by that measure, the Internet is smaller than an oil tanker.</li></ul>

Size Of Internet 

Q. How dangerous is it, really, to be in a pool during a thunderstorm?<ul><li>Pretty dangerous. Water is conductive, but that’s not the biggest problem—the biggest problem is that if you’re swimming, your head is poking up from a large flat surface. But lightning striking the water near you would still be bad. The 20,000 amps spread outward—mostly over the surface.</li></ul>

Lightning

Q. What would happen if lightning struck a bullet in midair?<ul><li>If it were sitting still, the current would quickly heat and melt the metal.</li><li>But since it would be moving along so quickly, it would exit the channel before it could be warmed by more than a few degrees. It would continue on to its target relatively unaffected.</li></ul>

Bullet Vs Lightning 

Q. How much computing power could we could achieve if the entire world population stopped whatever we are doing right now and started doing calculations?How would it compare to a modern-day computer or smartphone?<ul><li>The processor in a mobile phone could do calculations about 70 times faster than the entire world population. A new high-end desktop PC chip would increase that ratio to 1500.</li><li>Under Moore’s law–based projections, and using these simulation figures, computers won’t pull ahead of humans until the year 2036.7</li></ul>

Human Computer


Q. If an asteroid was very small but supermassive, could you really live on it like the Little Prince?<ul><li>If the asteroid had a radius of 1.75 meters, then in order to have Earthlike gravity at the surface, it would need to have a mass of about 500 million tons. This is roughly equal to the combined mass of every human on Earth.</li><li>The escape velocity at the surface would be about 5 meters per second. That’s slower than a sprint, but still pretty fast.</li></ul>

Little Planet


Q. From what height would you need to drop a steak for it to be cooked when it hit the ground?<ul><li>No matter how fast it was going when it reached the lower layers of the atmosphere, it would quickly slow down to terminal velocity. No matter the starting height, it always takes six or seven minutes to drop from 25 kilometers to the ground.</li><li>When the steak does finally hit the ground, it will be traveling at terminal velocity—about 30 meters per second. Steak will remain as it is.</li></ul>

Steak Drop


Q. How hard would a puck have to be shot to be able to knock the goalie himself backward into the net?<ul><li>This can’t really happen.</li><li>If you’re like me, when you first saw this question, you might’ve imagined the puck leaving a cartoon-style hockey-puck-shaped hole. But that’s because our intuitions are shaky about how materials react at very high speeds.</li><li>Instead, a different mental picture might be more accurate: Imagine throwing a ripe tomato—as hard as you can—at a cake. That’s about what would happen.</li></ul>

Hockey Puck

Q. This may be a bit gruesome, but . . . if someone’s DNA suddenly vanished, how long would that person last?<ul><li>If you lost your DNA, you would instantly be about a third of a pound lighter.</li><li>Losing your DNA would most likely result in abdominal pain, nausea, dizziness, rapid immune system collapse, and death within days or hours from either rapid systemic infection or systemwide organ failure.</li></ul>

No More DNA


Q. How much Force power can Yoda output?<ul><li>Combining this with the X-wing mass and lift rate gives us our peak power output: That’s enough to power a block of suburban homes. It’s also equal to about 25 horsepower. At current electricity prices, Yoda would be worth about $2/hour.</li><li>So Yoda sounds like our best bet as an energy source. But with world electricity consumption pushing 2 terawatts, it would take a hundred million Yodas to meet our demands.</li></ul>

Yoda


Q. What if I jumped out of an airplane with a couple of tanks of helium and one huge, un-inflated balloon? Then, while falling, I release the helium and fill the balloon. How long of a fall would I need in order for the balloon to slow me enough that I could land safely?<ul><li>If you inflated the balloons quickly, possibly by connecting many canisters to it at once, you’d be able to slow your fall.</li><li>Just don’t use too much helium, or you’ll end up floating at 16,000 feet like Larry Walters.</li></ul>

Falling with Helium


Q. Is there enough energy to move the entire current human population off-planet?<ul><li>An absolute baseline energy requirement: 4 gigajoules per person. No matter how we do it, whether we use rockets or a cannon or a space elevator or a ladder, moving a 65-kilogram person—out of the Earth’s gravity well requires at least this much energy.</li><li>Launching all of humanity (total weight: around 400 million tons) would therefore take tens of trillions of tons of fuel.</li></ul>

Everybody Out


Q. I read about some researchers who were trying to produce sperm from bone marrow stem cells. If a woman were to have sperm cells made from her own stem cells and impregnate herself, what would be her relationship to her daughter?<ul><li>A child from a parent who self-fertilized would be like a clone of the parent. But the child wouldn’t have all the genes of the parent. Half the child’s chromosomes would have their “partner” chromosomes replaced by a copy of themselves.</li><li>It’s what you would expect in a child of three generations of consecutive sibling marriages.</li></ul>

Self-Fertilization


Q. How close would you have to be to a supernova to get a lethal dose of neutrino radiation?<ul><li>Neutrinos are ghostly particles that barely interact with the world at all. Look at your hand—there are about a trillion neutrinos from the Sun passing through it every second.</li><li>If you observed a supernova from 1 AU away—and you somehow avoided being incinerated, vaporized—even the flood of ghostly neutrinos would be dense enough to kill you.</li></ul>

Lethal Neutrinos


Q. How fast can you hit a speed bump while driving and live?<ul><li>The two main things protecting you from bumps in the road are the tires and the suspension.</li><li>Cars generate lift. The air flowing around a car exerts all kinds of forces on it.</li><li>At the range of 150–300 mph, a typical sedan would lift off the ground, tumble, and crash . . . before you even hit the bump.</li></ul>

Speed Bump

Q. How quickly would the oceans drain if a circular portal 10 meters in radius leading into space were created at the bottom of Challenger Deep, the deepest spot in the ocean? How would the Earth change as the water was being drained?<ul><li>It would actually take hundreds of thousands of years for the ocean to drain. Even though the opening is wider than a basketball court, and the water is forced through at incredible speeds, the oceans are huge.</li></ul>

Drain the Oceans


Q. If you call a random phone number and say “God bless you,” what are the chances that the person who answers just sneezed?<ul><li>It’s hard to find good numbers on this, but it’s probably about 1 in 40,000.</li><li>Before you pick up the phone, you should also keep in mind that there’s roughly a 1 in 1,000,000,000 chance that the person you’re calling just murdered someone.</li></ul>

Random Sneeze Call


Q. Assuming a zero-gravity environment with an atmosphere identical to Earth’s, how long would it take the friction of air to stop an arrow fired from a bow? Would it eventually come to a standstill and hover in midair?<ul><li>The arrow would slow down quickly. Air resistance is proportional to speed squared, which means that when it’s going fast, the arrow would experience a lot of drag.</li><li>But at minimum, it would probably fly 5 to 10 kilometers.</li></ul>

Weightless Arrow


Q. When, if ever, will Facebook contain more profiles of dead people than of living ones?<ul><li>Either the 2060s or the 2130s. There are not a lot of dead people on Facebook. The main reasons for this is that Facebook—and its users—are young. The average Facebook user has gotten older over the last few years, but the site is still used at a much higher rate by the young than by the old.</li></ul>

Facebook of the Dead


Q. I was absentmindedly stirring a cup of hot tea, when I got to thinking, “Aren’t I actually adding kinetic energy into this cup?” I know that stirring does help to cool down the tea, but what if I were to stir it faster? Would I be able to boil a cup of water by stirring?<ul><li>No.</li><li>If you stir hard enough that your tea cavitates, its surface area will increase very rapidly, and it will cool to room temperature in seconds. No matter how hard you stir your tea, it’s not going to get any warmer.</li></ul>

Stirring Tea


Q. What if a rainstorm dropped all of its water in a single giant drop?<ul><li>In this storm, all that water instead condenses into one giant drop, a sphere of water over a kilometer in diameter.</li><li>The drop is now falling at 90 meters per second (200 mph).</li><li>When the water contacted the surface, you’d be crushed to death—the shockwave would briefly create pressures exceeding those at the bottom of the Mariana Trench.</li><li>Splash continues outward, demolishing all structures out to distances of 20 or 30 kilometers.</li></ul>

Raindrop


Q. What if everyone who took the SAT guessed on every multiple-choice question? How many perfect scores would there be?<ul><li>The probability of getting all 158 questions right is: That’s one in 27 quinquatrigintillion.</li><li>How certain is it? Well, if they each used a computer to take the test a million times each day, and continued this every day for five billion years—the chance of any of them ever getting a perfect score on just the math section would be about 0.0001 percent.</li></ul>

SAT Guessing


The creator of the incredibly popular webcomic xkcd presents his heavily researched answers to his fans' oddest questions, including “What if I took a swim in a spent-nuclear-fuel pool?” and “Could you build a jetpack using downward-firing machine guns?” 100,000 first printing.

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Technology & The Future

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Learning & Education

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Problem Solving

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Books

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Science & Nature

From the creator of the wildly popular webcomic xkcd, hilarious and informative answers to important questions you probably never thought to ask Millions of people visit xkcd.com each week to read Randall Munroe's iconic webcomic. His stick-figure drawings about science, technology, language, and love have an enormous, dedicated following, as do his deeply researched answers to his fans' strangest questions. The queries he receives range from merely odd to downright diabolical: - What if I took a swim in a spent-nuclear-fuel pool? - Could you build a jetpack using downward-firing machine guns? - What if a Richter 15 earthquake hit New York City? - Are fire tornadoes possible? His responses are masterpieces of clarity and wit, gleefully and accurately explaining everything from the relativistic effects of a baseball pitched at near the speed of light to the many horrible ways you could die while building a periodic table out of all the actual elements. The book features new and never-before-answered questions, along with the most popular answers from the xkcd website. What If? is an informative feast for xkcd fans and anyone who loves to ponder the hypothetical.

Randall Munroe, a former NASA roboticist, is the creator of the webcomic xkcd and the author of xkcd: volume 0. The International Astronomical Union recently named an asteroid after him; asteroid 4942 Munroe is big enough to cause a mass extinction if it ever hits a planet like Earth. He lives in Cambridge, Massachusetts.

Randall Munroe

What If?

Journaling is the practice of keeping a written record of your thoughts, feelings, and experiences on a regular basis. It involves writing down your innermost thoughts and emotions, either in a physical notebook or a digital platform, as a way to process your feelings and gain insights into yourself.

What is Journaling?

There are many different approaches to journaling, and it can be done in various ways such as free-writing, <a href="https://amzn.to/3lGgdy4">bullet journaling</a>, gratitude journaling, or specific prompts. The goal of journaling is to create a safe and private space to explore your thoughts and emotions, and to build self-awareness and emotional resilience.

1.   Reducing stress and anxiety: Journaling can help you identify and process your emotions, which can reduce feelings of stress and anxiety. 2.  Improving mood: Reflecting on positive experiences and emotions can help individuals cultivate a more positive outlook and improve their mood.3.   Enhancing creativity: Journaling can help you tap into your creative side by providing a space to explore new ideas, thoughts, and feelings.

What are the benefits of Journaling?

4.   Building self-awareness: By reflecting on your thoughts and experiences, you can gain a better understanding of yourself and your values, which can lead to personal growth.5.   Boosting self-esteem: Celebrating your accomplishments and writing about your strengths and positive qualities can help build self-esteem and confidence.

Free-Writing: In this type of journaling, you simply write down whatever comes to mind without worrying about grammar or structure. This can be a helpful way to release pent-up emotions and thoughts.Gratitude Journaling: This type of journaling involves writing down things you are grateful for each day, which can help you cultivate a more positive outlook and focus on the good in your life.Reflective Journaling: This type of journaling involves reflecting on your experiences and emotions, and can help you gain insight into your thoughts and behaviors.

Types of Journaling

Bullet Journaling: This type of journaling involves creating lists, tracking habits and goals, and using symbols to organize information. It can be a helpful way to stay organized and focused.Travel Journaling: This type of journaling involves documenting your experiences and observations while traveling, and can be a way to preserve memories and reflect on cultural differences.

1. Choose a journal: Consider what type of journal you prefer (physical or digital) and what kind of journaling you want to do. There are many journals available on the market with different features, prompts, and designs.2. Set aside time: Choose a regular time each day or week to journal, and make it a consistent habit. This could be first thing in the morning, at lunchtime, or before bed.

How to Start Journaling

3. Decide on your journaling style: Choose a type of journaling that resonates with you, whether it's free-writing, gratitude journaling, or another style. You can also experiment with different styles to find what works best for you.4. Write regularly: Aim to write regularly, even if it's just a few sentences or a brief note. This will help you build a habit and make journaling a part of your routine.

5. Start with a prompt: If you're not sure what to write about, start with a prompt such as "Today I'm grateful for..." or "Something that made me happy today was...". This can help jumpstart your writing and get you into the flow.

And finally, Journaling can be a powerful tool for improving mental health and well-being. By providing a safe and non-judgemental space to process emotions and experiences, journaling can help individuals reduce stress and anxiety, improve mood, increase self-awareness, and develop resilience and coping skills. To get the most out of journaling, make it a consistent habit, write without judgement, and choose a journaling style that resonates with you.

Conclusion 

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Mindfulness

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Reading & Writing

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Creativity

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Meditation

Everything you need to know about Journaling

Also known as nocternal ejaculation, is the involentary ejaculation of seminal fluid(semon) during sleep. It is most common in males(14-25 years or so). Most people think that it is natural to have a nightfall. Well if you can stop it then it will be better right? you can save your seamon which is rich in energy. You can increase your body, mind and spritual power.﻿

What Is Night fall

<ul><li>over heating of the body( major cause)</li><li>frequent masterbation</li><li>bad content consumption</li><li>bad influence( mostly friends )</li><li>lack of goals</li><li>no bussy life</li><li>stress</li><li>lack of knowledge</li><li>pleasure seeking</li><li>ignorance</li><li>weak pelvic muscle( a muscle between legs used for stoping urin from flowing)</li></ul>

Causes Of Nightfalls.

<ul><li>Cold Bath before sleep or wash your feets, hands and face with cold water</li><li>prayer before sleep</li><li>no bad content consumptions</li><li>be away from bad friends( mostly people with trash thinking about sex)</li><li>do excersice</li><li>meditate</li><li>do aswini mudra( also known as root lock which strength your pelvic reason)</li><li>have a goal</li><li>keep yourself bussy</li><li>doing more reasearch about the topic can help you know more</li><li>do excersice related to pelvic muscle/are</li></ul>

How To Stop Nightfall

<ol><li class="ql-align-justify">what is pelvic muscle?</li><li class="ql-align-justify">Excersices to strengthen pelvic muscle( Aswini mudra)</li><li class="ql-align-justify">how pelvic muscle works</li><li class="ql-align-justify">how semon is importent for your body?</li></ol>and topics around it.

What To Research

<ol><li>Over heating of the body: make sure that you cooldown your body before going to bed</li><li>Bad content: I experienced nightfall wenever some degree of bad content is exposed ( they may be on youtube as well and anime are also a type so stop watching over sensative animes )</li><li>Overwelmed brain or stress: overwelming your brain and taking too much stress can cause nightfall. Mostly during dream time.</li><li>Week pelvic muscle: Even if you did all the above, you may experience nightfall. It may be due to week pelvic muscle and pelvic area. Do excersice related to it. Most recomended one being aswini mudra.</li></ol>

Major Causes Of Night Fall

Don't feel bad if you couldn't make it in the first few weaks. Continue your quest or journey. What ever. Just do it till it happens. I am also trying it out and i doubled my resestance duration. So why not you try. It took me 2 years or so to know about it and resently i came accross these things. it takes time

Well no matter what and how much you learn about the knowledge about nightfall, you cannot stop it if you try to stop it.what i mean is that, you may be thinking not to let nightfall happen but it will happen nomatter how hard you try to stop. the best thing to do to really stop it is not trying to stop it. Even if you try your best to stop it, It will happen. So dont think of it as a peoblem to be solved. It will be solve itself when you dont try.

Things Don't Always Go As Planned

the more you think about certain thing(weather to get or avoid) the more it sticks to your brain. So dont think too much. Let it happen if it happens. And when you stop thinking too much about it then the fall will stop. **also note the points discussed before**

Its more about the energy then the fluid. Youjust need to feel as if some form of energy, liquid, desire-feeling are flowing upward. Its as if something flows up. Like the desire or the feeling that we get from a sexual things..... When the energy goes down, you feel that urge. You can tell how the energy feels when you get stimulation. So notice it, then try to move it upward. Just a feeling of stoping breadth, forcing blood up, and as if you had the feeling of cold. This is just a estimate feeling process. It is similar at around 30%-40% or even less

Final Thought

I tried it and it helps. I am preserving my semon.

health

Health

mentalhealth

Mental Health

How to stop Nightfall

The year starts with the Quadrantids. It is one of the most active meteor showers of the year: its hourly rate varies from 60 to 200. It is also known to produce fireballs. Unfortunately, this year, the peak occurs two days before the Full Moon. Better start observations in the morning, between moonset and sunrise: this way, you’ll get 1-2 hours without the 92%-illuminated Moon lighting up the sky. In the Northern Hemisphere, the radiant is always high in the sky. The farther south, the more likely it will appear above the horizon during the daytime

January 4: Quadrantid meteor shower peak

By the end of January 2023, comet C/2022 E3 (ZTF) will pass perihelion, and on February 1, it will come closest to the Earth. It will be the best day to observe the comet because, at this time, it will be the brightest. Currently, C/2022 E3 (ZTF) can be seen through a telescope. By early February, it will get bright enough to be visible through binoculars or, according to some forecasts, even with the naked eye. This year, this is the only comet this bright, so don't miss out!

February 1: Comet C/2022 E3 (ZTF) reaches maximum brightness

This April, we’ll have a chance to see a rare hybrid total/annular eclipse, which is an eclipse that changes its appearance as the Moon’s shadow moves across the Earth. Eclipses of that kind are infrequent: for instance, this century, we’ll only have 7 of them. In most cases, a hybrid eclipse begins as annular, becomes total, and then reverts to annular. Observers from Australia, Indonesia, and East Timor will witness this unique event; the surrounding regions will see a partial solar eclipse.

April 20: Hybrid solar eclipses 

The Perseid meteor shower is one of the most popular and abundant showers of the year. It can produce up to 100 meteors per hour. This year, the Perseids’ peak is two days before the New Moon, so observing conditions are favorable. This meteor shower is primarily visible from the Northern Hemisphere, where the radiant is always above the horizon.

August 13: Perseid meteor shower peak

The Supermoon occurring on August 31, 2023, will come closer to the Earth than other Full Moons of the year and will become the year’s brightest and most prominent. Moreover, it is going to be a Blue Moon or the second Full Moon in a calendar month (note that the name has nothing to do with the real color of the Moon).

August 31: The biggest Full Moon of 2023

Another solar eclipse will be visible over the North and South American continents. Observers from the United States, Mexico, Belize, Honduras, Nicaragua, Panama, Colombia, and Brazil will see a “ring of fire”, or annulus – the bright ring of sunlight around the Moon. The rest of the Western Hemisphere will experience a partial eclipse. The next solar eclipse of this kind will happen in a year and will be only visible from Chile and Argentina

October 14: Ring of Fire – annular solar eclipse

The bright Geminids are usually the year's strongest and most reliable meteor shower. It is known to produce up to 150 multi-colored meteors per hour. The spectacular show can be seen in both hemispheres. Observers from the northern latitudes can start observations in the evening. Stargazers from the Southern Hemisphere will have to wait a bit longer: the radiant will rise above the horizon only around midnight.

December 14: Geminid meteor shower peak

How many of you witnessed the C/2022 E3 (ZTF) in Feb? Let me know and do comment about the celestial events you're waiting for 

When to observe rare and spectacular astronomical events in 2023?🌌 Get the list of the best stargazing events!

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Personal Development

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Time Management

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Entertainment

Must-Watch Celestial Events Of 2023: Space Journey 

How do you prepare your children for the year 2050? Or even the year 2100? It’s a great question, especially because nowadays, no one knows what the world will even look like then. Historically, humans could make at least decent assumptions about where the world was headed. But in today’s fast-paced, technology-fueled civilization? Forget it!

21 Lessons For The 21st Century - Book Overview 

However, that doesn’t mean it’s not worth giving our best to prepare for an uncertain future. In <a href="https://www.goodreads.com/book/show/38820046-21-lessons-for-the-21st-century">21 Lessons For The 21st Century </a> , <a href="http://www.ynharari.com/about/">Yuval Noah Harari </a>helps us do just that. After his previous bestsellers Sapiens , which explored the human past, and <a href="https://fourminutebooks.com/homo-deus-summary/">Homo Deus </a>, which focused on our distant future, his latest book is about our biggest challenges in the here and now and how we can deal with them.

"In a world deluged by irrelevant information, clarity is power."-Yuval Noah Harari

Author Quote

<ol><li>Whoever owns the data wins, which is why everyone struggles for it. </li><li>We don’t know, we just think we do – and that’s a problem. </li><li>Education must show us how to navigate information, not give us more of it. </li> </ol>Are you sometimes worried about the future? Don’t fret, let’s prep!

Top 3 Book Less

Different ideologies have always shaped how humans see and steer the world. Whichever one grabs the most people tends to determine our history for decades. In the 20th century, fascism, communism, and liberalism fought for that privilege. Liberalism ended up being the clear winner. Depending on which ideology dominates, different assets grow in value. Whatever’s most valuable is the thing politicians and nations will fight for, thus deciding what future the world progresses towards. So far, in the 21st century, technology seems to have all competitors beat. It’s <a href="https://medium.com/personal-growth/why-we-need-breaks-from-tech-to-use-it-best-e3de310916a2">the thing we most believe in </a>.

Lesson 1: Data has become the most valuable asset, which is why technology disrupts all our systems.

With technology being our prime ideology, data becomes the most valuable asset . That’s why politicians struggle for their nations to win the giant tech race. The problem is that this time around, no one fully understands the implications of our ideology. Just look at the financial markets, where <a href="https://fourminutebooks.com/algorithms-to-live-by-summary/">algorithms already do most of the work </a>, with very few traders grasping what’s actually happening.

For politicians, this lack of understanding quickly becomes a threat. People are frustrated, feel ignored, and realize the representatives they elected don’t deal with the most important topics. And yet, we know just as little about technology as they do.

I rarely talk about politics with my family, but when we do, we like to joke about the “genius” of certain policymakers. In Germany, it’s common for the minister of economics to suddenly become the minister of health. Highly specialized offices are swapped like Christmas presents, which makes no sense. How could someone be an expert in both medicine and military defense?

Lesson 2: We believe we have a lot of knowledge, but we don’t and that’s dangerous.

In reality, this problem befalls all of us, however. That’s why we talk so much about <a href="https://fourminutebooks.com/mistakes-were-made-but-not-by-me-summary/">cognitive biases </a>on Four Minute Books. To help us think a little better. One of them is what Harari calls ‘the knowledge illusion.’ Basically, we think we know a lot more than our ancestors when, actually, we know less in many regards .

For example, we all rely on many experts to live our everyday lives. We can’t hunt our own food, build our own shelter, or make our own clothes. We think we’re smart, but just because we can <a href="https://fourminutebooks.com/tubes-summary/">access all the world’s knowledge </a> doesn’t mean it’s already in our head. Instead, we should <a href="https://fourminutebooks.com/ego-is-the-enemy-summary/">stay humble </a>, be thankful, and do our best to <a href="https://fourminutebooks.com/the-art-of-learning-summary/">never stop learning </a>.

Neil deGrasse Tyson once gave <a href="https://www.youtube.com/watch?v=Pbb8evErl34">a great speech </a>on the value of knowing how to think vs. just knowing what to think. Sadly, <a href="https://fourminutebooks.com/creative-schools-summary/">our schools </a>only teach us the latter. Even higher education still very much centers around cramming as many facts into your head as you can, only to spit them out once on a piece of paper, then forget them again. That’s a problem.

Lesson 3: School needs to start teaching us how to think, not what to think.

A basic understanding of history, biology, math, and other subjects is important, no doubt. But beyond that, it’s more important that we learn how to navigate the modern sea of information, <a href="https://fourminutebooks.com/the-signal-and-the-noise-summary/">how to filter out the important </a>, and how to determine what’s downright false, than just remembering more facts.

With more data being created now in a single year than the past few millennia combined, <a href="https://medium.com/four-minute-books/the-cost-of-being-an-employee-83c048814ee7">future workers </a>won’t need to know as much as possible, but how to find out only that, which they really need to know. For our kids to have a thriving future, that’s what we must teach them how to do.

I’d rather read one book like <a href="https://www.goodreads.com/book/show/38820046-21-lessons-for-the-21st-century">21 Lessons For The 21st Century </a>  each year than consume any news. With this, you know about everything important that’s going on and can decide how to act on which information. Some topics, you won’t think further about, others might even change how you raise your kids. With <a href="https://www.goodreads.com/book/show/38820046-21-lessons-for-the-21st-century">21 Lessons For The 21st Century</a>, <a href="http://www.ynharari.com/about/">Yuval Noah Harari </a>once again captures interesting aspects of humanity in enlightening stories. A truly informative read.

21 Lessons For The 21st Century - Book Review

21 Lessons For The 21st Century - Book Summary 

This 21 Lessons For The 21st Century summary explains why technology disrupts all our systems, how it makes us feel smart, and what our schools must change.

sciencefiction

Science Fiction

artificialintelligence

Artificial Intelligence

21 Lessons For The 21st Century Summary

There are many great books and resources for personal development and self-improvement, and the best ones for you may depend on your specific goals and learning style. Here are a few highly-regarded ones to consider:

"The 7 Habits of Highly Effective People" by Stephen Covey - This classic book teaches the habits of proactive people who take control of their lives and focus on what's truly important.

"How to Win Friends and Influence People" by Dale Carnegie - This book offers practical advice for building better relationships, improving communication skills, and becoming a more charismatic and persuasive person.

Think and Grow Rich" by Napoleon Hill - This book is a guide to wealth and success, drawing on the experiences of successful individuals and providing practical advice for how to achieve financial independence and personal fulfillment.

Mindset: The New Psychology of Success" by Carol Dweck - This book explores the role of mindset in success, and explains how adopting a growth mindset can help you achieve your goals and overcome obstacles.

"The Power of Now: A Guide to Spiritual Enlightenment" by Eckhart Tolle - This book teaches the importance of mindfulness and living in the present moment, and provides practical advice for cultivating inner peace and happiness.

philosophy

Philosophy

habits

Habits

5 Great Books for Personal Development 

This approach to note-taking was inspired by the 20th-century German sociologist Niklas Luhmann who was a prolific note-taker, writer, and academic. He developed a simple system based on paper index cards, which he called his “slip-box”, designed to connect any given note to as many different potentially relevant contexts as possible. It enables the note-taker to break down their notes into smaller, manageable chunks and organize them into a cohesive whole. This process allows the note-taker to gain a better understanding of their notes and to utilize them in further research and writing.

8 Steps to taking smart notes

Fleeting notes are quick, informal notes on any thought or idea that pops into your mind meant to be a reminder of what’s in your head.

1.Fleeting Notes.

Literature Notes are meant to be incorporated in one’s own writing.Guidelines in creating literature notes:<ul><li>Be extremely selective in what you decide to keep</li><li>Keep the overall note as short as possible</li><li>Use your own words, instead of copying quotes verbatim</li><li>Write down the bibliographic details on the source</li></ul>

2. Make Literature notes.

These notes are based on reviewing the fleeting notes and literature notes and relates to your current work on or interests. The purpose is not just to collect ideas, but to develop arguments and discussions over time.Questions to ask yourself to create them: <ul><li>How does the new information contradict, correct, support, or add to what I already know?</li><li>How can I combine ideas to generate something new?</li><li>What questions are triggered by these new ideas?</li></ul>Once done, throw away the fleeting notes from step one and file the literature notes from step two into your bibliographic slip-box.

3. Make permanent notes.

Add the permanent notes you’ve created to your slip-box. Do this by filing each note behind a related note (if it doesn’t relate to any existing notes, add it to the very end).

4. Addition your new permanent notes to the slip-box. 

With so many standardized notes organized in a consistent format, you are now free to develop ideas in a “bottom up” way. See what is there, what is missing, and which questions arise. Look for gaps that you can fill through further reading.

5. Develop your topics, questions and research projects bottom up from within the slip-box.

Instead of coming up with a topic upfront, you can just look into your slip-box and look for what is most interesting. Your writing will be based on what you already have, not on an unfounded guess about what the literature you are about to read might contain. Follow the connections between notes and collect all the relevant notes on the topic you’ve found.

6. Decide on a topic to write about from within the slip-box.

Instead of copying your notes into a manuscript, translate them into something coherent and embed them into the context of your argument. As you detect holes in your argument, fill them or change the argument.

7. Turn your notes into a rough draft. 

From this point forward, all you have to do is refine your rough draft until it’s ready to be published.

8. Edit and proofread your manuscript. 

Note-taking is like time travel—you are sending packets of knowledge through time to your future self.

I long ago stopped reading books on note-taking. They were always too vague and boring, full of platitudes that had little to do with the world outside

strategy

Strategy

How To Take Smart Notes: 8 Steps to taking smart notes.

This is the modern era and we are living in the 20th century. This is the origin of AI and in the future AI will take your place if you are not making yourself different. Building new skills should be your first priority because in the coming years only two types of people are going to survive, one who has a lot of money and the other who has skills. A person with great skills can survive in this competitive future. You may have heard about Chat GPT , the Ai based model. This is just the start of the AI world.

Maximizing Your Skill Building Efforts 

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Find 100+ Facts about Education - Curated by others from trusted sources like Books, Podcasts & Articles - Genuine Insights from like-minded Users like You!

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